<!DOCTYPE html>



  


<html class="theme-next pisces use-motion" lang="">
<head>
  <meta charset="UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1"/>
<meta name="theme-color" content="#222">









<meta http-equiv="Cache-Control" content="no-transform" />
<meta http-equiv="Cache-Control" content="no-siteapp" />
















  
  
  <link href="/blog/lib/fancybox/source/jquery.fancybox.css?v=2.1.5" rel="stylesheet" type="text/css" />







<link href="/blog/lib/font-awesome/css/font-awesome.min.css?v=4.6.2" rel="stylesheet" type="text/css" />

<link href="/blog/css/main.css?v=5.1.4" rel="stylesheet" type="text/css" />


  <link rel="apple-touch-icon" sizes="180x180" href="/blog/images/apple-touch-icon-next.png?v=5.1.4">


  <link rel="icon" type="image/png" sizes="32x32" href="/blog/images/favicon-32x32-next.png?v=5.1.4">


  <link rel="icon" type="image/png" sizes="16x16" href="/blog/images/favicon-16x16-next.png?v=5.1.4">


  <link rel="mask-icon" href="/blog/images/logo.svg?v=5.1.4" color="#222">





  <meta name="keywords" content="Hexo, NexT" />










<meta name="description" content="##一. Gzip解压缩工具类:1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495969">
<meta name="keywords" content="Android、iOS、Web、React Native">
<meta property="og:type" content="article">
<meta property="og:title" content="Java-解压缩各种格式">
<meta property="og:url" content="http://yoursite.com/blog/2018/08/06/Java-Special-Function/Java-解压缩各种格式/index.html">
<meta property="og:site_name" content="凌浩雨_博客">
<meta property="og:description" content="##一. Gzip解压缩工具类:1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495969">
<meta property="og:locale" content="default">
<meta property="og:updated_time" content="2018-08-06T10:39:15.542Z">
<meta name="twitter:card" content="summary">
<meta name="twitter:title" content="Java-解压缩各种格式">
<meta name="twitter:description" content="##一. Gzip解压缩工具类:1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495969">



<script type="text/javascript" id="hexo.configurations">
  var NexT = window.NexT || {};
  var CONFIG = {
    root: '/blog/',
    scheme: 'Pisces',
    version: '5.1.4',
    sidebar: {"position":"left","display":"post","offset":12,"b2t":false,"scrollpercent":false,"onmobile":false},
    fancybox: true,
    tabs: true,
    motion: {"enable":true,"async":false,"transition":{"post_block":"fadeIn","post_header":"slideDownIn","post_body":"slideDownIn","coll_header":"slideLeftIn","sidebar":"slideUpIn"}},
    duoshuo: {
      userId: '0',
      author: 'Author'
    },
    algolia: {
      applicationID: '',
      apiKey: '',
      indexName: '',
      hits: {"per_page":10},
      labels: {"input_placeholder":"Search for Posts","hits_empty":"We didn't find any results for the search: ${query}","hits_stats":"${hits} results found in ${time} ms"}
    }
  };
</script>



  <link rel="canonical" href="http://yoursite.com/blog/2018/08/06/Java-Special-Function/Java-解压缩各种格式/"/>





  <title>Java-解压缩各种格式 | 凌浩雨_博客</title>
  








</head>

<body itemscope itemtype="http://schema.org/WebPage" lang="default">

  
  
    
  

  <div class="container sidebar-position-left page-post-detail">
    <div class="headband"></div>

    <header id="header" class="header" itemscope itemtype="http://schema.org/WPHeader">
      <div class="header-inner"><div class="site-brand-wrapper">
  <div class="site-meta ">
    

    <div class="custom-logo-site-title">
      <a href="/blog/"  class="brand" rel="start">
        <span class="logo-line-before"><i></i></span>
        <span class="site-title">凌浩雨_博客</span>
        <span class="logo-line-after"><i></i></span>
      </a>
    </div>
      
        <p class="site-subtitle"></p>
      
  </div>

  <div class="site-nav-toggle">
    <button>
      <span class="btn-bar"></span>
      <span class="btn-bar"></span>
      <span class="btn-bar"></span>
    </button>
  </div>
</div>

<nav class="site-nav">
  

  
    <ul id="menu" class="menu">
      
        
        <li class="menu-item menu-item-home">
          <a href="/blog/" rel="section">
            
              <i class="menu-item-icon fa fa-fw fa-home"></i> <br />
            
            Home
          </a>
        </li>
      
        
        <li class="menu-item menu-item-archives">
          <a href="/blog/archives/" rel="section">
            
              <i class="menu-item-icon fa fa-fw fa-archive"></i> <br />
            
            Archives
          </a>
        </li>
      

      
    </ul>
  

  
</nav>



 </div>
    </header>

    <main id="main" class="main">
      <div class="main-inner">
        <div class="content-wrap">
          <div id="content" class="content">
            

  <div id="posts" class="posts-expand">
    

  

  
  
  

  <article class="post post-type-normal" itemscope itemtype="http://schema.org/Article">
  
  
  
  <div class="post-block">
    <link itemprop="mainEntityOfPage" href="http://yoursite.com/blog/blog/2018/08/06/Java-Special-Function/Java-解压缩各种格式/">

    <span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
      <meta itemprop="name" content="凌浩雨">
      <meta itemprop="description" content="">
      <meta itemprop="image" content="/blog/images/avatar.jpeg">
    </span>

    <span hidden itemprop="publisher" itemscope itemtype="http://schema.org/Organization">
      <meta itemprop="name" content="凌浩雨_博客">
    </span>

    
      <header class="post-header">

        
        
          <h1 class="post-title" itemprop="name headline">Java-解压缩各种格式</h1>
        

        <div class="post-meta">
          <span class="post-time">
            
              <span class="post-meta-item-icon">
                <i class="fa fa-calendar-o"></i>
              </span>
              
                <span class="post-meta-item-text">Posted on</span>
              
              <time title="Post created" itemprop="dateCreated datePublished" datetime="2018-08-06T18:01:39+08:00">
                2018-08-06
              </time>
            

            

            
          </span>

          

          
            
          

          
          

          

          

          

        </div>
      </header>
    

    
    
    
    <div class="post-body" itemprop="articleBody">

      
      

      
        <p>##一. Gzip解压缩<br>工具类:<br><figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br><span class="line">65</span><br><span class="line">66</span><br><span class="line">67</span><br><span class="line">68</span><br><span class="line">69</span><br><span class="line">70</span><br><span class="line">71</span><br><span class="line">72</span><br><span class="line">73</span><br><span class="line">74</span><br><span class="line">75</span><br><span class="line">76</span><br><span class="line">77</span><br><span class="line">78</span><br><span class="line">79</span><br><span class="line">80</span><br><span class="line">81</span><br><span class="line">82</span><br><span class="line">83</span><br><span class="line">84</span><br><span class="line">85</span><br><span class="line">86</span><br><span class="line">87</span><br><span class="line">88</span><br><span class="line">89</span><br><span class="line">90</span><br><span class="line">91</span><br><span class="line">92</span><br><span class="line">93</span><br><span class="line">94</span><br><span class="line">95</span><br><span class="line">96</span><br><span class="line">97</span><br><span class="line">98</span><br><span class="line">99</span><br><span class="line">100</span><br><span class="line">101</span><br><span class="line">102</span><br><span class="line">103</span><br><span class="line">104</span><br><span class="line">105</span><br><span class="line">106</span><br><span class="line">107</span><br><span class="line">108</span><br></pre></td><td class="code"><pre><span class="line">package com.mazaiting;</span><br><span class="line"></span><br><span class="line">import java.io.ByteArrayInputStream;</span><br><span class="line">import java.io.ByteArrayOutputStream;</span><br><span class="line">import java.util.zip.GZIPInputStream;</span><br><span class="line">import java.util.zip.GZIPOutputStream;</span><br><span class="line"></span><br><span class="line">public class GzipUtil &#123;</span><br><span class="line">	/**utf-8编码*/</span><br><span class="line">	public static final String GZIP_ENCODE_UTF_8 = &quot;UTF-8&quot;;</span><br><span class="line">	/**iso-8859-1编码*/</span><br><span class="line">	public static final String GZIP_ENCODE_ISO_8859_1 = &quot;ISO-8859-1&quot;;</span><br><span class="line">	</span><br><span class="line">	</span><br><span class="line">	/**</span><br><span class="line">	 * &quot;utf-8&quot;编码压缩</span><br><span class="line">	 * @param string 要压缩的字符串</span><br><span class="line">	 * @return 字节数组</span><br><span class="line">	 */</span><br><span class="line">	public static byte[] compress(String string) &#123;</span><br><span class="line">		return compress(string, GZIP_ENCODE_UTF_8);</span><br><span class="line">	&#125;</span><br><span class="line"></span><br><span class="line">	/**</span><br><span class="line">	 * 指定编码压缩</span><br><span class="line">	 * @param string 要压缩的字符串</span><br><span class="line">	 * @param encoding 编码</span><br><span class="line">	 * @return 字节数组</span><br><span class="line">	 */</span><br><span class="line">	public static byte[] compress(String string, String encoding) &#123;</span><br><span class="line">		// 判断是否为空</span><br><span class="line">		if (null == string || string.length() == 0) &#123;</span><br><span class="line">			return null;</span><br><span class="line">		&#125;</span><br><span class="line">		ByteArrayOutputStream baos = new ByteArrayOutputStream();</span><br><span class="line">		GZIPOutputStream gzipOutputStream;</span><br><span class="line">		try &#123;</span><br><span class="line">			gzipOutputStream = new GZIPOutputStream(baos);</span><br><span class="line">			gzipOutputStream.write(string.getBytes(encoding));</span><br><span class="line">			gzipOutputStream.close();</span><br><span class="line">		&#125; catch (Exception e) &#123;</span><br><span class="line">			e.printStackTrace();</span><br><span class="line">		&#125;</span><br><span class="line">		return baos.toByteArray();</span><br><span class="line">	&#125;</span><br><span class="line"></span><br><span class="line">	/**</span><br><span class="line">	 * 解压为字节数组</span><br><span class="line">	 * @param bytes 要解压的字节数组</span><br><span class="line">	 * @return 字节数组</span><br><span class="line">	 */</span><br><span class="line">	public static byte[] uncompress(byte[] bytes) &#123;</span><br><span class="line">		if (null == bytes || bytes.length == 0) &#123;</span><br><span class="line">			return null;</span><br><span class="line">		&#125;</span><br><span class="line">		ByteArrayOutputStream baos = new ByteArrayOutputStream();</span><br><span class="line">		ByteArrayInputStream bais = new ByteArrayInputStream(bytes);</span><br><span class="line">		GZIPInputStream unGzip;</span><br><span class="line">		try &#123;</span><br><span class="line">			unGzip = new GZIPInputStream(bais);</span><br><span class="line">			byte[] buffer = new byte[256];</span><br><span class="line">			int n;</span><br><span class="line">			while ((n = unGzip.read(buffer)) &gt;= 0) &#123;</span><br><span class="line">				baos.write(buffer, 0, n);				</span><br><span class="line">			&#125;</span><br><span class="line">		&#125; catch (Exception e) &#123;</span><br><span class="line">			e.printStackTrace();</span><br><span class="line">		&#125;</span><br><span class="line">		return baos.toByteArray();</span><br><span class="line">	&#125;</span><br><span class="line"></span><br><span class="line">	/**</span><br><span class="line">	 * &quot;utf-8&quot;编码解压</span><br><span class="line">	 * @param bytes 要解压的字节数组</span><br><span class="line">	 * @return 字节数组</span><br><span class="line">	 */</span><br><span class="line">	public static String uncompressToString(byte[] bytes) &#123;</span><br><span class="line">		return uncompressToString(bytes, GZIP_ENCODE_UTF_8);</span><br><span class="line">	&#125;</span><br><span class="line"></span><br><span class="line">	/**</span><br><span class="line">	 * 指定编码解压</span><br><span class="line">	 * @param string 要压缩的字符串</span><br><span class="line">	 * @param encoding 编码</span><br><span class="line">	 * @return 字节数组</span><br><span class="line">	 */</span><br><span class="line">	public static String uncompressToString(byte[] bytes, String encoding) &#123;</span><br><span class="line">		if (null == bytes || bytes.length == 0) &#123;</span><br><span class="line">			return null;</span><br><span class="line">		&#125;</span><br><span class="line">		ByteArrayOutputStream baos = new ByteArrayOutputStream();</span><br><span class="line">		ByteArrayInputStream bais = new ByteArrayInputStream(bytes);</span><br><span class="line">		GZIPInputStream unGzip;</span><br><span class="line">		try &#123;</span><br><span class="line">			unGzip = new GZIPInputStream(bais);</span><br><span class="line">			byte[] buffer = new byte[256];</span><br><span class="line">			int n;</span><br><span class="line">			while ((n = unGzip.read(buffer)) &gt;= 0) &#123;</span><br><span class="line">				baos.write(buffer, 0, n);				</span><br><span class="line">			&#125;</span><br><span class="line">			return baos.toString(encoding);</span><br><span class="line">		&#125; catch (Exception e) &#123;</span><br><span class="line">			e.printStackTrace();</span><br><span class="line">		&#125;</span><br><span class="line">		return null;</span><br><span class="line">	&#125;</span><br><span class="line"></span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure></p>
<a id="more"></a>
<p>具体使用:<br><figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br></pre></td><td class="code"><pre><span class="line">package com.mazaiting;</span><br><span class="line"></span><br><span class="line">public class Test &#123;</span><br><span class="line">	public static void main(String[] args) &#123;</span><br><span class="line">		String string = &quot;aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa&quot;;</span><br><span class="line">		System.out.println(&quot;字符串长度: &quot; + string.length());</span><br><span class="line">		System.out.println(&quot;压缩后: &quot; + GzipUtil.compress(string).length);</span><br><span class="line">		System.out.println(&quot;解压后: &quot; + GzipUtil.uncompress(GzipUtil.compress(string)).length);</span><br><span class="line">		System.out.println(&quot;解压后字符串长度: &quot; + GzipUtil.uncompressToString(GzipUtil.compress(string)).length());</span><br><span class="line">	&#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure></p>
<p>##二、Zip解压缩<br>文中所需工具类<a href="http://www.jianshu.com/p/a46ae417a298" target="_blank" rel="noopener">Java 文件遍历</a></p>
<ol>
<li><p>工具类</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br><span class="line">65</span><br><span class="line">66</span><br><span class="line">67</span><br><span class="line">68</span><br><span class="line">69</span><br><span class="line">70</span><br><span class="line">71</span><br><span class="line">72</span><br><span class="line">73</span><br><span class="line">74</span><br><span class="line">75</span><br><span class="line">76</span><br><span class="line">77</span><br><span class="line">78</span><br><span class="line">79</span><br><span class="line">80</span><br><span class="line">81</span><br><span class="line">82</span><br><span class="line">83</span><br><span class="line">84</span><br><span class="line">85</span><br><span class="line">86</span><br><span class="line">87</span><br><span class="line">88</span><br><span class="line">89</span><br><span class="line">90</span><br><span class="line">91</span><br><span class="line">92</span><br><span class="line">93</span><br><span class="line">94</span><br><span class="line">95</span><br><span class="line">96</span><br><span class="line">97</span><br><span class="line">98</span><br><span class="line">99</span><br><span class="line">100</span><br><span class="line">101</span><br><span class="line">102</span><br><span class="line">103</span><br><span class="line">104</span><br><span class="line">105</span><br><span class="line">106</span><br><span class="line">107</span><br><span class="line">108</span><br><span class="line">109</span><br><span class="line">110</span><br><span class="line">111</span><br><span class="line">112</span><br><span class="line">113</span><br><span class="line">114</span><br><span class="line">115</span><br><span class="line">116</span><br><span class="line">117</span><br><span class="line">118</span><br><span class="line">119</span><br><span class="line">120</span><br><span class="line">121</span><br><span class="line">122</span><br><span class="line">123</span><br><span class="line">124</span><br><span class="line">125</span><br><span class="line">126</span><br><span class="line">127</span><br><span class="line">128</span><br><span class="line">129</span><br><span class="line">130</span><br><span class="line">131</span><br><span class="line">132</span><br><span class="line">133</span><br><span class="line">134</span><br><span class="line">135</span><br><span class="line">136</span><br><span class="line">137</span><br><span class="line">138</span><br><span class="line">139</span><br><span class="line">140</span><br><span class="line">141</span><br><span class="line">142</span><br><span class="line">143</span><br><span class="line">144</span><br><span class="line">145</span><br><span class="line">146</span><br><span class="line">147</span><br><span class="line">148</span><br><span class="line">149</span><br><span class="line">150</span><br><span class="line">151</span><br><span class="line">152</span><br><span class="line">153</span><br><span class="line">154</span><br><span class="line">155</span><br><span class="line">156</span><br><span class="line">157</span><br><span class="line">158</span><br><span class="line">159</span><br><span class="line">160</span><br><span class="line">161</span><br><span class="line">162</span><br><span class="line">163</span><br><span class="line">164</span><br><span class="line">165</span><br><span class="line">166</span><br><span class="line">167</span><br><span class="line">168</span><br><span class="line">169</span><br><span class="line">170</span><br><span class="line">171</span><br><span class="line">172</span><br><span class="line">173</span><br><span class="line">174</span><br><span class="line">175</span><br><span class="line">176</span><br><span class="line">177</span><br><span class="line">178</span><br><span class="line">179</span><br><span class="line">180</span><br><span class="line">181</span><br><span class="line">182</span><br><span class="line">183</span><br><span class="line">184</span><br><span class="line">185</span><br><span class="line">186</span><br><span class="line">187</span><br><span class="line">188</span><br><span class="line">189</span><br><span class="line">190</span><br><span class="line">191</span><br><span class="line">192</span><br><span class="line">193</span><br><span class="line">194</span><br><span class="line">195</span><br><span class="line">196</span><br><span class="line">197</span><br><span class="line">198</span><br><span class="line">199</span><br><span class="line">200</span><br><span class="line">201</span><br><span class="line">202</span><br><span class="line">203</span><br><span class="line">204</span><br><span class="line">205</span><br><span class="line">206</span><br><span class="line">207</span><br><span class="line">208</span><br><span class="line">209</span><br><span class="line">210</span><br><span class="line">211</span><br><span class="line">212</span><br><span class="line">213</span><br><span class="line">214</span><br><span class="line">215</span><br><span class="line">216</span><br><span class="line">217</span><br><span class="line">218</span><br><span class="line">219</span><br><span class="line">220</span><br><span class="line">221</span><br></pre></td><td class="code"><pre><span class="line"> </span><br><span class="line">/**</span><br><span class="line"> * Zip格式数据操作类</span><br><span class="line"> * @author mazaiting</span><br><span class="line"> */</span><br><span class="line">public class ZipUtil &#123;</span><br><span class="line">	/**缓冲字节--1M*/</span><br><span class="line">	private static final int BUFF_SIZE = 1024 * 1024;</span><br><span class="line">	</span><br><span class="line">	/**</span><br><span class="line">	 * 批量压缩文件(文件夹)</span><br><span class="line">	 * @param resFileList 要压缩的文件(夹)列表</span><br><span class="line">	 * @param zipFile 生成的压缩文件</span><br><span class="line">	 * @throws IOException 当压缩过程出错时抛出</span><br><span class="line">	 */</span><br><span class="line">	public static void zipFiles(Collection&lt;File&gt; resFileList, File zipFile) throws IOException &#123;</span><br><span class="line">		ZipOutputStream zipOut = new ZipOutputStream(</span><br><span class="line">				new BufferedOutputStream(new FileOutputStream(zipFile), BUFF_SIZE));</span><br><span class="line">		for (File resFile : resFileList) &#123;</span><br><span class="line">			zipFile(resFile, zipOut, &quot;&quot;);</span><br><span class="line">		&#125;</span><br><span class="line">		zipOut.close();</span><br><span class="line">	&#125;</span><br><span class="line">	</span><br><span class="line">	/**</span><br><span class="line">	 * 批量压缩文件(文件夹)</span><br><span class="line">	 * @param resFileList 要压缩的文件(夹)列表</span><br><span class="line">	 * @param zipFile 生成的压缩文件</span><br><span class="line">	 * @param comment 压缩文件的注释</span><br><span class="line">	 * @throws IOException 当压缩过程出错时抛出 </span><br><span class="line">	 */	</span><br><span class="line">	public static void zipFiles(Collection&lt;File&gt; resFileList, File zipFile, String comment) throws IOException &#123;</span><br><span class="line">		ZipOutputStream zipOut = new ZipOutputStream(</span><br><span class="line">				new BufferedOutputStream(new FileOutputStream(zipFile), BUFF_SIZE));</span><br><span class="line">		for (File resFile : resFileList) &#123;</span><br><span class="line">			zipFile(resFile, zipOut, &quot;&quot;);</span><br><span class="line">		&#125;</span><br><span class="line">		zipOut.setComment(comment);</span><br><span class="line">		zipOut.close();</span><br><span class="line">	&#125;</span><br><span class="line">	</span><br><span class="line">	/**</span><br><span class="line">	 * 解压缩一个文件</span><br><span class="line">	 * @param zipFile 压缩文件</span><br><span class="line">	 * @param folderPath 解压缩的目标目录</span><br><span class="line">	 * @throws IOException </span><br><span class="line">	 * @throws ZipException </span><br><span class="line">	 */</span><br><span class="line">	public static void upZipFile(File zipFile, String folderPath) throws ZipException, IOException &#123;</span><br><span class="line">		// 根据路径创建一个文件</span><br><span class="line">		File desDir = new File(folderPath);</span><br><span class="line">		// 判断文件是否存在，如果不存在则创建</span><br><span class="line">		if (!desDir.exists()) &#123;</span><br><span class="line">			desDir.mkdirs();</span><br><span class="line">		&#125;</span><br><span class="line">		// 创建一个压缩文件</span><br><span class="line">		ZipFile zFile = new ZipFile(zipFile);</span><br><span class="line">		// 循环遍历</span><br><span class="line">		for (Enumeration&lt;?&gt; entries = zFile.entries(); entries.hasMoreElements(); )&#123;</span><br><span class="line">			ZipEntry entry = (ZipEntry) entries.nextElement();</span><br><span class="line">			InputStream in = zFile.getInputStream(entry);</span><br><span class="line">			String str = folderPath + File.separator + entry.getName();</span><br><span class="line">			str = new String(str.getBytes(&quot;8859_1&quot;), &quot;GB2312&quot;);</span><br><span class="line">			File desFile = new File(str);</span><br><span class="line">			// 判断文件是否存在</span><br><span class="line">			if (!desFile.exists()) &#123;</span><br><span class="line">				File fileParentDir = desFile.getParentFile();</span><br><span class="line">				// 判断父文件夹是否存在</span><br><span class="line">				if (!fileParentDir.exists()) &#123;</span><br><span class="line">					fileParentDir.mkdirs();</span><br><span class="line">				&#125;</span><br><span class="line">				// 创建新文件</span><br><span class="line">				desFile.createNewFile();</span><br><span class="line">			&#125;</span><br><span class="line">			OutputStream out = new FileOutputStream(desFile);</span><br><span class="line">			byte[] buffer = new byte[BUFF_SIZE];</span><br><span class="line">			int realLength;</span><br><span class="line">			while ((realLength = in.read(buffer)) &gt;0) &#123;</span><br><span class="line">				out.write(buffer, 0, realLength);</span><br><span class="line">			&#125;</span><br><span class="line">			in.close();</span><br><span class="line">			out.close();</span><br><span class="line">		&#125;</span><br><span class="line">		</span><br><span class="line">	&#125;</span><br><span class="line">	</span><br><span class="line">	/**</span><br><span class="line">     * 解压文件名包含传入文字的文件</span><br><span class="line">     * @param zipFile 压缩文件</span><br><span class="line">     * @param folderPath 目标文件夹</span><br><span class="line">     * @param nameContains 传入的文件匹配名</span><br><span class="line">     * @throws ZipException 压缩格式有误时抛出</span><br><span class="line">     * @throws IOException IO错误时抛出</span><br><span class="line">     */</span><br><span class="line">    public static ArrayList&lt;File&gt; upZipSelectedFile(File zipFile, String folderPath,</span><br><span class="line">            String nameContains) throws ZipException, IOException &#123;</span><br><span class="line">        ArrayList&lt;File&gt; fileList = new ArrayList&lt;File&gt;();</span><br><span class="line"> </span><br><span class="line">        File desDir = new File(folderPath);</span><br><span class="line">        if (!desDir.exists()) &#123;</span><br><span class="line">            desDir.mkdir();</span><br><span class="line">        &#125;</span><br><span class="line"> </span><br><span class="line">        ZipFile zf = new ZipFile(zipFile);</span><br><span class="line">        for (Enumeration&lt;?&gt; entries = zf.entries(); entries.hasMoreElements();) &#123;</span><br><span class="line">            ZipEntry entry = ((ZipEntry)entries.nextElement());</span><br><span class="line">            if (entry.getName().contains(nameContains)) &#123;</span><br><span class="line">                InputStream in = zf.getInputStream(entry);</span><br><span class="line">                String str = folderPath + File.separator + entry.getName();</span><br><span class="line">                str = new String(str.getBytes(&quot;8859_1&quot;), &quot;GB2312&quot;);</span><br><span class="line">                // str.getBytes(&quot;GB2312&quot;),&quot;8859_1&quot; 输出</span><br><span class="line">                // str.getBytes(&quot;8859_1&quot;),&quot;GB2312&quot; 输入</span><br><span class="line">                File desFile = new File(str);</span><br><span class="line">                if (!desFile.exists()) &#123;</span><br><span class="line">                    File fileParentDir = desFile.getParentFile();</span><br><span class="line">                    if (!fileParentDir.exists()) &#123;</span><br><span class="line">                        fileParentDir.mkdirs();</span><br><span class="line">                    &#125;</span><br><span class="line">                    desFile.createNewFile();</span><br><span class="line">                &#125;</span><br><span class="line">                OutputStream out = new FileOutputStream(desFile);</span><br><span class="line">                byte buffer[] = new byte[BUFF_SIZE];</span><br><span class="line">                int realLength;</span><br><span class="line">                while ((realLength = in.read(buffer)) &gt; 0) &#123;</span><br><span class="line">                    out.write(buffer, 0, realLength);</span><br><span class="line">                &#125;</span><br><span class="line">                in.close();</span><br><span class="line">                out.close();</span><br><span class="line">                fileList.add(desFile);</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;</span><br><span class="line">        return fileList;</span><br><span class="line">    &#125;</span><br><span class="line">	</span><br><span class="line"></span><br><span class="line">	/**</span><br><span class="line">	 * 压缩文件</span><br><span class="line">	 * @param resFile 需要压缩的文件(夹)</span><br><span class="line">	 * @param zipOut 压缩的目的文件</span><br><span class="line">	 * @param rootPath 压缩的文件路径</span><br><span class="line">	 * @throws IOException </span><br><span class="line">	 */</span><br><span class="line">	private static void zipFile(File resFile, ZipOutputStream zipOut, String rootPath) throws IOException &#123;</span><br><span class="line">		// 判断文件路径长度是否大于0， 大于0时string为&quot;/&quot;, 等于0时为&quot;&quot;</span><br><span class="line">		String string = rootPath.trim().length() == 0 ? &quot;&quot; : File.separator;</span><br><span class="line">		// 压缩文件生成的路径</span><br><span class="line">		rootPath = rootPath + string + resFile.getName();</span><br><span class="line">		// 路径转码</span><br><span class="line">		rootPath = new String(rootPath.getBytes(&quot;8859_1&quot;), &quot;GB2312&quot;);</span><br><span class="line">		// 判断压缩的是否是路径</span><br><span class="line">		if (resFile.isDirectory()) &#123;</span><br><span class="line">			// 获取当前路径下的所有文件</span><br><span class="line">			File[] listFiles = resFile.listFiles();</span><br><span class="line">			for (File file : listFiles) &#123;</span><br><span class="line">				zipFile(file, zipOut, rootPath);</span><br><span class="line">			&#125;</span><br><span class="line">		&#125; else &#123;</span><br><span class="line">			byte[] buffer = new byte[BUFF_SIZE];</span><br><span class="line">			BufferedInputStream in = new BufferedInputStream(</span><br><span class="line">					new FileInputStream(resFile), BUFF_SIZE);</span><br><span class="line">			zipOut.putNextEntry(new ZipEntry(rootPath));</span><br><span class="line">			int realLength;</span><br><span class="line">			while ((realLength = in.read(buffer)) != -1) &#123;</span><br><span class="line">				zipOut.write(buffer, 0, realLength);				</span><br><span class="line">			&#125;</span><br><span class="line">			in.close();</span><br><span class="line">			zipOut.flush();</span><br><span class="line">			zipOut.closeEntry();</span><br><span class="line">		&#125;</span><br><span class="line">	&#125;</span><br><span class="line">	</span><br><span class="line">	/**</span><br><span class="line">	 * 获得压缩文件内文件列表</span><br><span class="line">	 * @param zipFile 压缩文件</span><br><span class="line">	 * @return 压缩文件内文件名称</span><br><span class="line">	 * @throws IOException </span><br><span class="line">	 * @throws ZipException </span><br><span class="line">	 */</span><br><span class="line">	public static ArrayList&lt;String&gt; getEntriesNames(File zipFile) throws ZipException, IOException &#123;</span><br><span class="line">		ArrayList&lt;String&gt; entryNames = new ArrayList&lt;&gt;();</span><br><span class="line">		Enumeration&lt;?&gt; entries = getEntriesEnumeration(zipFile);</span><br><span class="line">		while (entries.hasMoreElements()) &#123;</span><br><span class="line">			ZipEntry entry = (ZipEntry) entries.nextElement();</span><br><span class="line">			entryNames.add(new String(</span><br><span class="line">					getEntryName(entry).getBytes(&quot;GB2312&quot;), &quot;8859_1&quot;));</span><br><span class="line">		&#125;</span><br><span class="line">		return entryNames;</span><br><span class="line">	&#125;</span><br><span class="line"></span><br><span class="line">	/**</span><br><span class="line">	 * 获得压缩文件对象的名称</span><br><span class="line">	 * @param entry 压缩文件对象</span><br><span class="line">	 * @return 压缩文件对象的名称</span><br><span class="line">	 * @throws UnsupportedEncodingException </span><br><span class="line">	 */</span><br><span class="line">	private static String getEntryName(ZipEntry entry) throws UnsupportedEncodingException &#123;</span><br><span class="line">		return new String(entry.getName().getBytes(&quot;GB2312&quot;), &quot;8859_1&quot;);</span><br><span class="line">	&#125;</span><br><span class="line"></span><br><span class="line">	/**</span><br><span class="line">	 * 取得压缩文件对象的注释</span><br><span class="line">	 * @param entry 压缩文件对象</span><br><span class="line">	 * @return 压缩文件对象的注释</span><br><span class="line">	 * @throws UnsupportedEncodingException </span><br><span class="line">	 */</span><br><span class="line">	public static String getEntryComment(ZipEntry entry) throws UnsupportedEncodingException &#123;</span><br><span class="line">		return new String(entry.getComment().getBytes(&quot;GB2312&quot;), &quot;8859_1&quot;);</span><br><span class="line">	&#125;</span><br><span class="line">	</span><br><span class="line">	/**</span><br><span class="line">	 * 获得压缩文件内压缩文件对象以取得其属性</span><br><span class="line">	 * @param zipFile 压缩文件</span><br><span class="line">	 * @return 返回一个压缩文件列表</span><br><span class="line">	 * @throws IOException </span><br><span class="line">	 * @throws ZipException </span><br><span class="line">	 */</span><br><span class="line">	private static Enumeration&lt;?&gt; getEntriesEnumeration(File zipFile) throws ZipException, IOException &#123;</span><br><span class="line">		ZipFile zf = new ZipFile(zipFile);</span><br><span class="line">		return zf.entries();</span><br><span class="line">	&#125;	</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
</li>
<li><p>使用</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br></pre></td><td class="code"><pre><span class="line">public class Test &#123;</span><br><span class="line">	public static void main(String[] args) throws IOException &#123;</span><br><span class="line">		ArrayList&lt;File&gt; listFiles = DirTraversal.listFiles(&quot;E:\\web&quot;);</span><br><span class="line">		for (File file : listFiles) &#123;</span><br><span class="line">			System.out.println(file.getAbsolutePath());</span><br><span class="line">		&#125;</span><br><span class="line">		</span><br><span class="line"></span><br><span class="line">		File zipFile = new File(&quot;E:\\web\\file.zip&quot;);</span><br><span class="line">		ZipUtil.zipFiles(listFiles, zipFile);</span><br><span class="line">		</span><br><span class="line">//		File zipFile = new File(&quot;E:\\web\\file.zip&quot;);</span><br><span class="line">//		ZipUtil.zipFiles(listFiles, zipFile, &quot;Hello&quot;);</span><br><span class="line">		</span><br><span class="line">//		File zipFile = new File(&quot;E:\\web\\file.zip&quot;);</span><br><span class="line">//		ZipUtil.upZipFile(zipFile, &quot;E:\\web&quot;);</span><br><span class="line">		</span><br><span class="line">	&#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
</li>
</ol>
<p>##三、<a href="http://commons.apache.org/proper/commons-compress/download_compress.cgi" target="_blank" rel="noopener">Apache Commons Compress</a>解压缩<br>支持ar, cpio, Unix dump, tar, zip, gzip, XZ, Pack200, bzip2, 7z, arj, lzma, snappy, DEFLATE, lz4, Brotli and Z files格式。<br><figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br><span class="line">65</span><br><span class="line">66</span><br><span class="line">67</span><br><span class="line">68</span><br><span class="line">69</span><br><span class="line">70</span><br><span class="line">71</span><br><span class="line">72</span><br><span class="line">73</span><br><span class="line">74</span><br><span class="line">75</span><br><span class="line">76</span><br><span class="line">77</span><br><span class="line">78</span><br><span class="line">79</span><br><span class="line">80</span><br><span class="line">81</span><br><span class="line">82</span><br><span class="line">83</span><br><span class="line">84</span><br><span class="line">85</span><br><span class="line">86</span><br><span class="line">87</span><br><span class="line">88</span><br><span class="line">89</span><br><span class="line">90</span><br><span class="line">91</span><br><span class="line">92</span><br><span class="line">93</span><br><span class="line">94</span><br><span class="line">95</span><br><span class="line">96</span><br><span class="line">97</span><br><span class="line">98</span><br><span class="line">99</span><br><span class="line">100</span><br><span class="line">101</span><br><span class="line">102</span><br><span class="line">103</span><br><span class="line">104</span><br><span class="line">105</span><br><span class="line">106</span><br><span class="line">107</span><br><span class="line">108</span><br><span class="line">109</span><br><span class="line">110</span><br><span class="line">111</span><br><span class="line">112</span><br><span class="line">113</span><br><span class="line">114</span><br><span class="line">115</span><br><span class="line">116</span><br><span class="line">117</span><br><span class="line">118</span><br><span class="line">119</span><br><span class="line">120</span><br><span class="line">121</span><br><span class="line">122</span><br><span class="line">123</span><br><span class="line">124</span><br><span class="line">125</span><br><span class="line">126</span><br><span class="line">127</span><br><span class="line">128</span><br><span class="line">129</span><br><span class="line">130</span><br><span class="line">131</span><br><span class="line">132</span><br><span class="line">133</span><br><span class="line">134</span><br><span class="line">135</span><br><span class="line">136</span><br><span class="line">137</span><br><span class="line">138</span><br><span class="line">139</span><br><span class="line">140</span><br><span class="line">141</span><br><span class="line">142</span><br><span class="line">143</span><br><span class="line">144</span><br><span class="line">145</span><br><span class="line">146</span><br><span class="line">147</span><br><span class="line">148</span><br><span class="line">149</span><br><span class="line">150</span><br><span class="line">151</span><br><span class="line">152</span><br><span class="line">153</span><br><span class="line">154</span><br><span class="line">155</span><br><span class="line">156</span><br><span class="line">157</span><br><span class="line">158</span><br><span class="line">159</span><br><span class="line">160</span><br><span class="line">161</span><br><span class="line">162</span><br><span class="line">163</span><br></pre></td><td class="code"><pre><span class="line"></span><br><span class="line">/**</span><br><span class="line"> * BZip2解压缩工具类</span><br><span class="line"> * @author mazaiting</span><br><span class="line"> */</span><br><span class="line">public class BZip2Util &#123;</span><br><span class="line">	/**缓冲字节*/</span><br><span class="line">	public static final int BUFFER = 1024;</span><br><span class="line">	/**后缀名*/</span><br><span class="line">	public static final String EXT = &quot;.bz2&quot;;</span><br><span class="line">	</span><br><span class="line">	/**</span><br><span class="line">	 * 数据压缩</span><br><span class="line">	 * @param data 数据字节</span><br><span class="line">	 * @return</span><br><span class="line">	 * @throws IOException </span><br><span class="line">	 */</span><br><span class="line">	public static byte[] compress(byte[] data) throws IOException &#123;</span><br><span class="line">		ByteArrayInputStream bais = new ByteArrayInputStream(data);</span><br><span class="line">		ByteArrayOutputStream baos = new ByteArrayOutputStream();</span><br><span class="line">		// 压缩</span><br><span class="line">		compress(bais, baos);</span><br><span class="line">		</span><br><span class="line">		byte[] output = baos.toByteArray();</span><br><span class="line">		</span><br><span class="line">		// 从缓冲区刷新数据</span><br><span class="line">		baos.flush();</span><br><span class="line">		// 关闭流</span><br><span class="line">		baos.close();</span><br><span class="line">		bais.close();</span><br><span class="line">		</span><br><span class="line">		return output;		</span><br><span class="line">	&#125;</span><br><span class="line">	</span><br><span class="line">	/**</span><br><span class="line">	 * 文件压缩</span><br><span class="line">	 * @param file 文件</span><br><span class="line">	 * @param delete 是否删除原文件</span><br><span class="line">	 * @throws IOException </span><br><span class="line">	 */</span><br><span class="line">	public static void compress(File file, boolean delete) throws IOException &#123;</span><br><span class="line">		FileInputStream fis = new FileInputStream(file);</span><br><span class="line">		FileOutputStream fos = new FileOutputStream(file.getPath() + EXT);</span><br><span class="line">		</span><br><span class="line">		compress(fis, fos);</span><br><span class="line">		</span><br><span class="line">		fos.flush();</span><br><span class="line">		</span><br><span class="line">		fos.close();</span><br><span class="line">		fis.close();</span><br><span class="line">		</span><br><span class="line">		if (delete) &#123;</span><br><span class="line">			file.delete();</span><br><span class="line">		&#125;</span><br><span class="line">	&#125;</span><br><span class="line"></span><br><span class="line">	/**</span><br><span class="line">	 * 数据压缩</span><br><span class="line">	 * @param is 输入流 </span><br><span class="line">	 * @param os 输出流</span><br><span class="line">	 * @throws IOException </span><br><span class="line">	 */</span><br><span class="line">	private static void compress(InputStream is, OutputStream os) throws IOException &#123;</span><br><span class="line">		BZip2CompressorOutputStream bcos = new BZip2CompressorOutputStream(os);</span><br><span class="line">		</span><br><span class="line">		int count;</span><br><span class="line">		byte data[] = new byte[BUFFER];</span><br><span class="line">		</span><br><span class="line">		while((count = is.read(data, 0, BUFFER)) != -1)&#123;</span><br><span class="line">			bcos.write(data, 0, count);</span><br><span class="line">		&#125;</span><br><span class="line">		</span><br><span class="line">		bcos.finish();</span><br><span class="line">		</span><br><span class="line">		bcos.flush();</span><br><span class="line">		bcos.close();		</span><br><span class="line">	&#125;</span><br><span class="line">	</span><br><span class="line">	/**</span><br><span class="line">	 * 文件压缩</span><br><span class="line">	 * @param path 文件路径</span><br><span class="line">	 * @param delete 是否删除原文件</span><br><span class="line">	 * @throws IOException </span><br><span class="line">	 */</span><br><span class="line">	public static void compress(String path, boolean delete) throws IOException&#123;</span><br><span class="line">		File file = new File(path);</span><br><span class="line">		compress(file, delete);</span><br><span class="line">	&#125;</span><br><span class="line">	</span><br><span class="line">	/**</span><br><span class="line">	 * 数据解压缩</span><br><span class="line">	 * @param data 数据</span><br><span class="line">	 * @return </span><br><span class="line">	 * @throws IOException </span><br><span class="line">	 */</span><br><span class="line">	public static byte[] deCompress(byte[] data) throws IOException&#123;</span><br><span class="line">		ByteArrayInputStream bais = new ByteArrayInputStream(data);</span><br><span class="line">		ByteArrayOutputStream baos = new ByteArrayOutputStream();</span><br><span class="line">		</span><br><span class="line">		// 解压缩</span><br><span class="line">		deCompress(bais, baos);</span><br><span class="line">		</span><br><span class="line">		data = baos.toByteArray();</span><br><span class="line">		</span><br><span class="line">		baos.flush();</span><br><span class="line">		baos.close();</span><br><span class="line">		bais.close();</span><br><span class="line">		</span><br><span class="line">		return data;</span><br><span class="line">	&#125;</span><br><span class="line"></span><br><span class="line">	/**</span><br><span class="line">	 * 文件解压缩</span><br><span class="line">	 * @param file 文件</span><br><span class="line">	 * @param delete 是否删除源文件</span><br><span class="line">	 * @throws IOException </span><br><span class="line">	 */</span><br><span class="line">	public static void deCompress(File file, boolean delete) throws IOException&#123;</span><br><span class="line">		FileInputStream fis = new FileInputStream(file);</span><br><span class="line">		FileOutputStream fos = new FileOutputStream(file.getPath().replace(EXT, &quot;&quot;));</span><br><span class="line">		</span><br><span class="line">		deCompress(fis, fos);</span><br><span class="line">		</span><br><span class="line">		fos.flush();</span><br><span class="line">		fos.close();</span><br><span class="line">		fis.close();</span><br><span class="line">		</span><br><span class="line">		if (delete) &#123;</span><br><span class="line">			file.delete();</span><br><span class="line">		&#125;</span><br><span class="line">	&#125;</span><br><span class="line">	</span><br><span class="line">	/**</span><br><span class="line">	 * 解压缩</span><br><span class="line">	 * @param is 输入流</span><br><span class="line">	 * @param os 输出流</span><br><span class="line">	 * @throws IOException </span><br><span class="line">	 */</span><br><span class="line">	private static void deCompress(InputStream is, OutputStream os) throws IOException &#123;</span><br><span class="line">		BZip2CompressorInputStream bcis = new BZip2CompressorInputStream(is);</span><br><span class="line">		</span><br><span class="line">		int count;</span><br><span class="line">		byte data[] = new byte[BUFFER];</span><br><span class="line">		</span><br><span class="line">		while((count = bcis.read(data, 0, BUFFER)) != -1)&#123;</span><br><span class="line">			os.write(data, 0, count);</span><br><span class="line">		&#125;</span><br><span class="line">		</span><br><span class="line">		bcis.close();</span><br><span class="line">	&#125;</span><br><span class="line">	</span><br><span class="line">	/**</span><br><span class="line">	 * 文件解压缩</span><br><span class="line">	 * @param path 文件路径</span><br><span class="line">	 * @param delete 是否删除源文件</span><br><span class="line">	 * @throws IOException </span><br><span class="line">	 */</span><br><span class="line">	public static void deCompress(String path, boolean delete) throws IOException&#123;</span><br><span class="line">		File file = new File(path);</span><br><span class="line">		deCompress(file, delete);</span><br><span class="line">	&#125;</span><br><span class="line">		</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure></p>
<p>上面为BZip2解压缩代码, 若是想用其他格式的解压缩，可以将代码中的BZip2CompressorInputStream 和BZip2CompressorOutputStream相对应的替换就可以。</p>
<ul>
<li>.ar对应ArArchiveInputStream和ArArchiveOutputStream</li>
<li>.cpio对应CpioArchiveInputStream和CpioArchiveOutputStream</li>
<li>.dump对应DumpArchiveInputStream</li>
<li>.tar对应TarArchiveInputStream和TarArchiveOutputStream</li>
<li>.zip对应ZipArchiveInputStream和ZipArchiveOutputStream</li>
<li>.gzip对应GzipCompressorInputStream和GzipCompressorOutputStream</li>
<li>.xz对应XZCompressorInputStream和XZCompressorOutputStream</li>
<li>.pack200对应Pack200CompressorInputStream和Pack200CompressorOutputStream</li>
<li>.bzip2对应BZip2CompressorInputStream和BZip2CompressorOutputStream</li>
<li>.7z对应SevenZFile和SevenZOutputFile</li>
<li>.arj对应ArjArchiveInputStream</li>
<li>.lzma对应LZMACompressorInputStream和LZMACompressorOutputStream</li>
<li>.snappy对应SnappyCompressorInputStream和SnappyCompressorOutputStream</li>
<li>.deflate对应DeflateCompressorInputStream和DeflateCompressorOutputStream</li>
<li>.lz4对应BlockLZ4CompressorInputStream和BlockLZ4CompressorOutputStream</li>
<li>.brotli 对应BrotliCompressorInputStream</li>
<li>.z对应ZCompressorInputStream</li>
</ul>

      
    </div>
    
    
    

    

    

    

    <footer class="post-footer">
      

      
      
      

      
        <div class="post-nav">
          <div class="post-nav-next post-nav-item">
            
              <a href="/blog/2018/08/06/Java-Special-Function/Java-文件遍历/" rel="next" title="Java-文件遍历">
                <i class="fa fa-chevron-left"></i> Java-文件遍历
              </a>
            
          </div>

          <span class="post-nav-divider"></span>

          <div class="post-nav-prev post-nav-item">
            
              <a href="/blog/2018/08/06/Java-Special-Function/Java-身份证验证(IdCardVerification)/" rel="prev" title="Java-身份证验证(IdCardVerification)">
                Java-身份证验证(IdCardVerification) <i class="fa fa-chevron-right"></i>
              </a>
            
          </div>
        </div>
      

      
      
    </footer>
  </div>
  
  
  
  </article>



    <div class="post-spread">
      
    </div>
  </div>


          </div>
          


          

  



        </div>
        
          
  
  <div class="sidebar-toggle">
    <div class="sidebar-toggle-line-wrap">
      <span class="sidebar-toggle-line sidebar-toggle-line-first"></span>
      <span class="sidebar-toggle-line sidebar-toggle-line-middle"></span>
      <span class="sidebar-toggle-line sidebar-toggle-line-last"></span>
    </div>
  </div>

  <aside id="sidebar" class="sidebar">
    
    <div class="sidebar-inner">

      

      

      <section class="site-overview-wrap sidebar-panel sidebar-panel-active">
        <div class="site-overview">
          <div class="site-author motion-element" itemprop="author" itemscope itemtype="http://schema.org/Person">
            
              <img class="site-author-image" itemprop="image"
                src="/blog/images/avatar.jpeg"
                alt="凌浩雨" />
            
              <p class="site-author-name" itemprop="name">凌浩雨</p>
              <p class="site-description motion-element" itemprop="description">专业从事于移动端开发，Android与iOS均有涉及，主做Android开发与React Native开发</p>
          </div>

          <nav class="site-state motion-element">

            
              <div class="site-state-item site-state-posts">
              
                <a href="/blog/archives/">
              
                  <span class="site-state-item-count">393</span>
                  <span class="site-state-item-name">posts</span>
                </a>
              </div>
            

            

            

          </nav>

          

          

          
          

          
          

          

        </div>
      </section>

      

      

    </div>
  </aside>


        
      </div>
    </main>

    <footer id="footer" class="footer">
      <div class="footer-inner">
        <div class="copyright">&copy; <span itemprop="copyrightYear">2018</span>
  <span class="with-love">
    <i class="fa fa-user"></i>
  </span>
  <span class="author" itemprop="copyrightHolder">凌浩雨</span>

  
</div>


  <div class="powered-by">Powered by <a class="theme-link" target="_blank" href="https://hexo.io">Hexo</a></div>



  <span class="post-meta-divider">|</span>



  <div class="theme-info">Theme &mdash; <a class="theme-link" target="_blank" href="https://github.com/iissnan/hexo-theme-next">NexT.Pisces</a> v5.1.4</div>




        







        
      </div>
    </footer>

    
      <div class="back-to-top">
        <i class="fa fa-arrow-up"></i>
        
      </div>
    

    

  </div>

  

<script type="text/javascript">
  if (Object.prototype.toString.call(window.Promise) !== '[object Function]') {
    window.Promise = null;
  }
</script>









  












  
  
    <script type="text/javascript" src="/blog/lib/jquery/index.js?v=2.1.3"></script>
  

  
  
    <script type="text/javascript" src="/blog/lib/fastclick/lib/fastclick.min.js?v=1.0.6"></script>
  

  
  
    <script type="text/javascript" src="/blog/lib/jquery_lazyload/jquery.lazyload.js?v=1.9.7"></script>
  

  
  
    <script type="text/javascript" src="/blog/lib/velocity/velocity.min.js?v=1.2.1"></script>
  

  
  
    <script type="text/javascript" src="/blog/lib/velocity/velocity.ui.min.js?v=1.2.1"></script>
  

  
  
    <script type="text/javascript" src="/blog/lib/fancybox/source/jquery.fancybox.pack.js?v=2.1.5"></script>
  


  


  <script type="text/javascript" src="/blog/js/src/utils.js?v=5.1.4"></script>

  <script type="text/javascript" src="/blog/js/src/motion.js?v=5.1.4"></script>



  
  


  <script type="text/javascript" src="/blog/js/src/affix.js?v=5.1.4"></script>

  <script type="text/javascript" src="/blog/js/src/schemes/pisces.js?v=5.1.4"></script>



  
  <script type="text/javascript" src="/blog/js/src/scrollspy.js?v=5.1.4"></script>
<script type="text/javascript" src="/blog/js/src/post-details.js?v=5.1.4"></script>



  


  <script type="text/javascript" src="/blog/js/src/bootstrap.js?v=5.1.4"></script>



  


  




	





  





  












  





  

  

  

  
  

  

  

  

</body>
</html>
